4820-01-103-3262
Safety Relief Valve
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Official Item Classification
- Name
- Safety Relief Valve
- (NSN) National Stock Number
- 4820-01-103-3262
- (FSG) Federal Supply Group
- 48 Valves
- (FSC) Federal Supply Classification
- 4820 Nonpowered Valves
- (INC) Item Name Code
- 05488
- (FIIG) Federal Item Identification Guide
- A046B0
- Date
- 11/12/1980 (45 years ago)
spring disk loading method, disk flow control device, bolted bonnet attachment method, inside spring bonnet type, 0.750 inches all ends nominal pipe size accommodated
Specs & Compatibility
0.750 inches all ends
disk
inside spring
bolted
spring
pressed-in
180.0 fahrenheit single response
socket with brazing ring all ends
automatic
unthreaded internal pipe all ends
+35.0 to 44.0 pounds per square inch
1500.0 pounds per square inch single response
top guided;elastic stop nut
copper alloy body
nickel alloy flow control device
nickel alloy seat
nickel alloy stem
qq-n-281 fed spec single material response flow control device
qq-n-281 fed spec single material response seat
qq-n-281 fed spec single material response stem
qq-c-390,alloy d4/d/ fed spec single material response body
gas, inert single response
angle
81349-mil-v-22549 government specification
Regulatory Compliance
Item does not contain precious metal.
The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
0005488
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